Support » Plugin: WP Super Cache » [Plugin: WP Super Cache] Recommended Expiry Times

  • Resolved Paul OFlaherty


    As part of optimizing our sites for performance I’m worried about the amount of resources involved with removing cached files vs generating new ones.

    What would you recommend setting the expiry time for cached files on a site doing 50000+ pageviews a day with 7000+ posts? (mod_rewrite).

    We’re offloading comments to Facebook so that’s not an issue, and using an object cache (WP Widget Cache).

    I currently have the pages set to expire every 2 days and performance is okay but just okay. Should I increase/decrease this or leave it as it do you think?

    Opinions would be great thanks 🙂

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  • Plugin Author Donncha O Caoimh


    There’s no right answer to this unfortunately. You should be fine with 2 days but it all depends on how long it’ll take to preload the cache each time.

    I have WP-Super Cache set to have preload mode “on”, but have preloading disabled (0).

    I have removed the bots and crawlers from the rejected user agents so that crawling by Google Bot etc should keep the cache preloaded.

    Any thoughts on that?

    Plugin Author Donncha O Caoimh


    The supercached pages won’t expire, that’s what preload mode does so bots won’t refresh any page.

    I’d say turn preload mode off, OR leave it on but do a periodic preload. Whatever suits your needs. There’s no right answer.

    Thanks Donncha, much appreciated.

Viewing 4 replies - 1 through 4 (of 4 total)
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